pulsevspulsoTell them apart

Quick tell: pulse is a verb, pulso is a noun, so they fill different roles in a sentence.

Which to use

“pulse” is a verb and “pulso” is a noun - they look or sound alike but fill different roles in a sentence.

#29,101
“pulse” frequency rank
#8,944
“pulso” frequency rank
38045
confusion score

Side-by-Side Comparison

Feature pulse pulso
Definition flexão do verbo pulsen parte do antebraço junto à mão

Where the eye mixes pulse and pulso

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
pulse
5 ch
pulso

Look-alike desk: pulse vs pulso

These two trip readers on the page rather than in the ear: pulse is /ˈpʊlzə/ while pulso is /ˈpuɫ.su/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - e in “pulse” becomes o in “pulso”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 38045, derived from the frequency rank of both members and their visual similarity.

pulse is recorded at frequency rank #29,101, classified as averb, pronounced /ˈpʊlzə/. pulso is at rank #8,944, tagged as anoun, pronounced /ˈpuɫ.su/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 38045, this pair ranks #28,476 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pulse vs pulso

Shared letters: lpsu. Private to "pulse": e. Private to "pulso": o.

"pulse" · 5 letters · shape CVCCV  ·  "pulso" · 5 letters · shape CVCCV

Known mistypes of this pair

  • pulsepluse · ppulse · pules · pullse · pulsse · pusle · uplse
  • pulsopluso · ppulso · pullso · pulos · pulsso · puslo · uplso

Frequently Asked Questions

Can "pulse" and "pulso" be used interchangeably?
No - they are not even the same part of speech. "pulse" is a verb and "pulso" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "pulse" or "pulso" show up more?
"pulso" is the more common of the two: it sits at frequency rank #8,944 in our Portuguese list, against #29,101 for "pulse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "pulse" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pulso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #28,476 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "pulse" and "pulso" also get mixed up with nearby pairs, the highest-scored neighbour is "pale vs pulse". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #28,476 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list